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Real time monitoring of phosphine and insect mortality in different storage facilities
Journal of Stored Products Research ( IF 2.7 ) Pub Date : 2020-12-01 , DOI: 10.1016/j.jspr.2020.101726
Paraskevi Agrafioti , Vasilis Sotiroudas , Efstathios Kaloudis , Sotiris Bantas , Christos G. Athanassiou

Abstract In this study, we evaluated wireless phosphine sensors to quantify and depict spatio-temporal dynamics and distribution of this gas within different types of facilities and commodities. The use of wireless sensors has certain advantages over the use of traditional monitoring techniques (e.g. tubes etc.), as any measurements with these traditional techniques correspond to the specific time and location of monitoring and are not transferable to additional intervals and locations, which leads fumigators to either overestimate or underestimate the concentrations and outcomes of a given fumigation. In fact, in light of our findings, the distribution of phosphine in large warehouses was not usually adequate for a satisfactory level of insect control, and gas concentrations varied remarkably through time and space. In contrast, commercial treatments at containers were sufficient to control the insects tested, even on stored-product insects which were found to be resistant to phosphine. Furthermore, in the case of silos and ship holds, our work indicated that the use of forced recirculation systems for phosphine is essential to increase concentration and, as a result, insect mortality. Overall, our tests clearly suggested that the sensors were very effective in measuring phosphine and are generally expected to play important role in the near future in IPM-based programs at the post-harvest stages of agricultural commodities. At the same time, real-time monitoring can be used with success for the prediction of insect mortality in the treated facilities.

中文翻译:

实时监测不同储存设施磷化氢和昆虫死亡率

摘要 在这项研究中,我们评估了无线磷化氢传感器,以量化和描述这种气体在不同类型的设施和商品中的时空动态和分布。与使用传统监测技术(例如管等)相比,无线传感器的使用具有某些优势,因为使用这些传统技术进行的任何测量都对应于监测的特定时间和位置,并且不能转移到额外的间隔和位置,这导致熏蒸器高估或低估给定熏蒸的浓度和结果。事实上,根据我们的发现,大型仓库中磷化氢的分布通常不足以达到令人满意的昆虫控制水平,并且气体浓度随时间和空间变化显着。相比之下,容器中的商业处理足以控制所测试的昆虫,即使是对磷化氢具有抗性的储存产品昆虫。此外,在筒仓和船舱的情况下,我们的工作表明,对磷化氢使用强制再循环系统对于增加浓度和昆虫死亡率至关重要。总体而言,我们的测试清楚地表明,传感器在测量磷化氢方面非常有效,并且通常有望在不久的将来在农产品收获后阶段的基于 IPM 的计划中发挥重要作用。同时,实时监测可成功用于预测处理设施中的昆虫死亡率。即使是对磷化氢具有抗性的储藏产品昆虫。此外,在筒仓和船舱的情况下,我们的工作表明,对磷化氢使用强制再循环系统对于增加浓度和昆虫死亡率至关重要。总体而言,我们的测试清楚地表明,传感器在测量磷化氢方面非常有效,并且通常有望在不久的将来在农产品收获后阶段的基于 IPM 的计划中发挥重要作用。同时,实时监测可成功用于预测处理设施中的昆虫死亡率。即使是对磷化氢具有抗性的储藏产品昆虫。此外,在筒仓和船舱的情况下,我们的工作表明,对磷化氢使用强制再循环系统对于增加浓度和昆虫死亡率至关重要。总体而言,我们的测试清楚地表明,传感器在测量磷化氢方面非常有效,并且通常有望在不久的将来在农产品收获后阶段的基于 IPM 的计划中发挥重要作用。同时,实时监测可成功用于预测处理设施中的昆虫死亡率。昆虫死亡率。总体而言,我们的测试清楚地表明,传感器在测量磷化氢方面非常有效,并且通常有望在不久的将来在农产品收获后阶段的基于 IPM 的计划中发挥重要作用。同时,实时监测可成功用于预测处理设施中的昆虫死亡率。昆虫死亡率。总体而言,我们的测试清楚地表明,传感器在测量磷化氢方面非常有效,并且通常有望在不久的将来在农产品收获后阶段的基于 IPM 的计划中发挥重要作用。同时,实时监测可成功用于预测处理设施中的昆虫死亡率。
更新日期:2020-12-01
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